MLI research advisory board member Elliot Tepper joined CTV News to discuss the first U.S. presidential debate between Donald Trump and Joe Biden.

"I was doing my best, as a political scientist, to follow the issues. It was very difficult to find any substance in that debate, but there was an awful lot of style. And that style was unedifying and uninformative," notes Tepper.

Tepper goes on to discuss how the debate may impact swing states and just how unusual this first presidential debate was.

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